1231032112033 has 16 divisors (see below), whose sum is σ = 1306649138256. Its totient is φ = 1155772477440.

The previous prime is 1231032112007. The next prime is 1231032112039. The reversal of 1231032112033 is 3302112301321.

It can be written as a sum of positive squares in 8 ways, for example, as 2253211024 + 1228778901009 = 47468^2 + 1108503^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1231032112033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231032111995 and 1231032112013.

It is not an unprimeable number, because it can be changed into a prime (1231032112039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29705035 + ... + 29746447.

It is an arithmetic number, because the mean of its divisors is an integer number (81665571141).

Almost surely, 2^{1231032112033} is an apocalyptic number.

It is an amenable number.

1231032112033 is a deficient number, since it is larger than the sum of its proper divisors (75617026223).

1231032112033 is a wasteful number, since it uses less digits than its factorization.

1231032112033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45684.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1231032112033 its reverse (3302112301321), we get a palindrome (4533144413354).

The spelling of 1231032112033 in words is "one trillion, two hundred thirty-one billion, thirty-two million, one hundred twelve thousand, thirty-three".